Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. x + 9y = 302x + 9y = 24
A. (-5, 3)
B. (-6, 4)
C. (-5, -6)
D. No solution
Answer: B
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. -7x - 7y + 9z = 5 B. x + y + z = 5 C. -7x - 7y + 9z = 1 D. x + y + z = 1
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Complete the following statement using the appropriate symbol.
?
____ 
?
A. = B. > C. < D. ? E. ?
Mathematics
Using Green's Theorem, find the outward flux of F across the closed curve C.F = sin 3yi + cos 9xj ; C is the rectangle with vertices at (0, 0), 
, 
, and 
A. - 
?
B. 0
C. - 
?
D. 
?
Mathematics
Find the GCF.10m5, 40m9, and 100m6
A. 40m5 B. 10m5 C. 10m4 D. 400m4
Mathematics